1 hole in, 4 holes out!
The Tidal Power Wave Barrel connects to a 1" return line to produce a rotating output on four 1" ports. The barrel spins at one revolution per minute to create intermittent flow in the aquarium. The barrel sequences between ports 1&3 and 2&4 repeatedly, at any given moment, two or more ports will be open.
The Tidal Power Wave Barrel will handle up to 1500gph.
Requires 110V to operate.